Weather Station Projection Clock 812 Overview
Color: Black
Material: ABS
Item size: 160*60*120mm
Display: LED
Projection distance: 1-5M
Adjustable angle: 180°
LED backlight: support
Humidity display: 20%RH to 99%RH
Temperature display: 0° to 50°/32° to 122°
Date display: support
Battery: 2*AAA battery (not included)
Package list: 1*projection alarm clock, 1*USB cable, 1*user manual
Features:
1. Project time: Project time onto your walls or ceiling so that the time will always be in full view.It is very clear to view but it will not disturb you when sleeping. The suggested distance of projection on ceiling or wall is 3.3 ~ 9.8 ft (1 ~ 5 m).
2. Rotatable: 180 degree swivel projection allows that you do not need to roll over to view the time again.
3. Date, alarm, time display: Automatically displays the correct time/date and you could restores alarm settings after power loss.
4. Snooze function: Set separate alarms for different purposes. Press the button if you want to sleep for extra five minutes.
5. USB charger: Can be charged with USB cable. USB charging port is compatible with all smart phones, tablets, Kindle or any other digital device.
6. Colorful display: Interesting color for the backlight.
7. Temperature and humidity display: It will display the max and min temperature and humidity record.
8. Large display screen: With ultra-large display screen, which is easy to read especially for kids and the elder people.
9. Warm tips:
1) There is no memory function, so you need to reset the time after power off.
2) The weather forecast is for reference only.
3) The battery and USB charger cannot be used at the same time or it will damage the alarm clock.
4) Please do not use battery with high power capacity because it will damage the circuit board.
Notes:
1. Please allowed 1-3mm differences due to manual measurement, thank you!
2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item.
Medium Format
Medium format refers to the size of your roll of film (or if you’re talking digital, it’s the size of the camera sensor). It really just means that you are shooting on a bigger piece of film than you do with a 35mm camera. The increased size of medium format film means a much larger negative. This will give you finer details and less grain.
Choosing your Right Medium Format Camera
Twin Lens Reflex (TLRS)
TLRs use two objective lens of the same focal length. The photographic objective lens is the one that is used to take the picture. The other lens, called the view lens, is connected to the viewfinder. Most TLRs are fixed focal length, and the more expensive models may incorporate a rudimentary room function. Most TLRs use a leaf shutter system, resulting in high speeds, quiet operation and low shutter vibration. There are also close-up, wide angle and telephoto adapters for TLRs.
Some popular TLRS cameras are: Yashica MAT-124G, Rolleiflex 2.8F, Minolta Autocord and Mamiya C330
Rangefinder
Rangefinder cameras are medium format cameras with a range finder. This negates the waistline, viewing that most TLRs carry. They are also much smaller than TLRs, and allow for easier point and shoot photographs. They tend to have limited focusing ranges, and do not have lenses larger than 180mm or 200mm. Rangefinders are quieter and easier to focus in dim light. They are mostly fixed lens models, but higher range models also provide for interchangeability.
Some popular rangefinder cameras are: Fujica G690, Mamiya 6/7, Bronica RF645, Norita 66 and Pentax 67
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